Key pad for wind musical instruments



Feb. 19, 1929. 1,702,962

. v F. A. BUESCHER KEY PAD FOR WIND MUSICAL INSTRUMENTS Filed Dec. 9, 1924 I This: invention relates pads i 1]. rupees-m, 1o: mum; moms.

' 'Kmrranr'on.wumMusnneminscriwismn'rs.

' n ue tion aled December 9,1924. {ser al at. 754,309.- Y

musical -Einstruments. and "is- -an improvement u nethe invention disclosed-in mffatnt 0.1,4015872 ygranted Dec; 7, 1921;:

itmay bereplaced with anew pad :by the user.

of the instrument, without it being necesx sary for.hi'm to sendjthe instrument away tor; "re airs; 7' .a

y e presentinvention has for itsohjectthe "preservation of the" feature of quick attach-a ability which characterizes the device of my patent, aforesaid, and, addition; Provides T structure whereby a; elightnniversa-l rocking movement ofthe padrelative to 1 the pad cup is v ermitted, facilitating, notwithstanding uniformity in' the thickness. of the pad; the I =embod-imentfthereof .pro'qeedS slig t f misalignment of1 ,-;the ,-pad cup" or none correctg'seating of theipad upon the peripheral edgeof the valve opening.

v; Other objects ofthe, invent'on will unfold themselves'as the descriptionofa preferred i .1 tampion amanner, todefectthe possibil-ity lngthezdrawings Figure 1 isza perspectlvez view parts of an illustrative embodiment-of: my Linven: tionvin separated relationr XEigure 2,,isa cross section througha key I Showing y invention in 1s'sembledzrelation,

I the valve-bein open I A I valveclosed.

'- .in F1gure '2'but illustratingaapadthicker, on one sidethanup'on the fotherl: a piFig'ure fiis a sectional view of the pad shown inFignre 4 illustrating. a tilted posh vtion assumed by: the pad; ,t-o compensate for v itsu'nequal thickness;

i v venti'onflis an? element of theEtam ion of a saxophone, The pad CLIP 1,; is formed vwith a concave side and centrally thereof, has

plate 8' which may be of metal, and 'being section sho ing-the peripheral portionofethepadc including the ack plate away from the inner surface of the Ltampion, thesnap joint between the pad and tampion permitting yieldingof T the pad re 4 :is' a iviewlsimilar iaalstsiiowil so that: when it -l strikes "the peripheral edge Referring now in detailltoi several gfigurea, the numeral 1 represents a pad flcup which,-inthe present embodiment of the inof the pacl'eup,

which are ofsuch ,erably stamped of which islsplit'to give the same resiliency; v i .The head 3 ispreferably convex and it is pre v "ferredi that the wall of the socke't be slightly undercut so as to form a positive meansgof attachment for the head .3 when the latter is. sprung within the socket.

" p "n g nerai isdesig ated hy' thejrefe'rence character 6consiststof a wash er 7,. preferably of: .felt resting against a back covered nits face with a piece of kid skin '9, thei la'tter being lbrought around to the uppersideofflthe backiplate 8 as shown at 10in Figure'l, and gathered by' means ofa per edge of the kid skin. The shankof the member 4; extend's through a-n axial' opening thread 11 stitched and-drawn, around the upformed 'in thepadfir' 1 v a, a Inathe device of my prior: patent herein-v beforementioned the pad, and themeans for mounting it .within the ipad cup 1 are: i sub stantially similar j to the elements here em-I ployed jexcept th'at in said prior patent the pad with itsibaek-plateq fits againstthe peripheral-portion of the inner facef the o'f' 'its p'artaking of any rocking movement. It fre'quently happens that "the pad fails to thickness? of the pad, orto misalignment of the pad; cup. Heretofore this hascalled for repairing by an eXpert,-but thepresent instance'I have'providedlmeansi for spacing the 00 of the valve opening a, tilting movement is produced, asqshownflinFigure 5, causmaiybe employed for spacing the pad away from the-peripheral portion of the inner face the means here shownbeing y constitutedby the elements of the snapjoint c length that-the snap oint i itself'proj ects beyond. the padsufliciently to a v .spacethe' perip' eral' portioniof saidpadirom 106 the inner face ofthepad cup; Means are also {provided for preventing the pad riding up: w

on the shankof the elongated snap 'joint, said means consisting r it of aflange 12%whichis prefl -9 W'M',dly; from saidjback 110 v plate and which is made convex to better serve aszafulcrmrfonthe portion of the pad adjacent the center,'i' facilitating its "rocking movement. It is to beund'erstood that the provision of the flange l2or itsieguivalentis not always essential,"for the pad may; if "dev pontion'of the pad fromkbuilging into the sired, be left loosely mounted upon-the :elom

1 valve aperture spoiling the tone of' the in- I ments a pad egg,

$rument, afaultiwith which many formsof key padshecome-aifectedwhen'moist;'

It, 's to be understood-that while I h-a've found :the above: described embodiment of my: invention 1 highly eflicient .andpractical forthe purpose set forth, numemusalterations in the details of construetion'or thesub stitutionor: equivalents for the 1 elements shown may be' made without departingffrom the spirit or scope of the invention as c'laimed.

H-aving described myinvention What I claim: as new and desire tosecure 'iby'i'Letters' Patent, 'is-: g g g I 1. In akey pad for'rWin-d musicalinstrumountedtherein;

means for deta ably :securing said pad i to said cupicoirnprising partlifixed to thevpad cup and a' member having za'fpontion' gen-gagr ing theouterface of t and extending through said" and interlocking with the 1 inner s end off-Esaid fixedapart, saidmeans construct edtoi provide for the nockingofl the pad relativeto the cup, and means carried by "the pad and: engagingjthe inner face :of the soup sfor permanently sp acin-g. the paid from such face and further providing a fulcrum for theipad 21in a pad for Wind musical: instruments-: :a :pad; cup, 1 a wpadgunounted therein, 7 means 3 for securing said pad to said pad cup comprising apart fixed to the cupandamember engaging?thexiuterface of the" paaiaaa- 1 extending through the latter" and further interlocking with the inner endofsaid fixed art,j said securing means ban er greater ength than the thicknessof the padna-nd contive -to the cup; v. a

5 r InI a key: pad 'for 'wind musical instruments a' cup shaped member, a: compressible pad @anounted" therein "and extended therefrom, and a connection between the member structe'df to provide for rocking 'the' parl 'rela I and the pad-constructed to provide for rook- I ing movement of one relative to the other.

' 4.flna'key pad 'for vvind :musicaliinstruc mentssa pad'cugwa padrmounted thereinand extended therefrom-5' andda two part coupling'conneetion betweenthe cup and the pad,

, a one dfsa'i'dpartsjfixed to the'inner'faceof thexciipf-the other of said parts extending through'qthepad; abutting againstgthe outer; face of A the latter and further extended from the inner face of-i the" pad, the said partof I atively to each'other.

'5. In av key pad for Wind musical instru-c ,mentsapadcup a .padmounted therein and extended therefrom, and a'tWO-part coupling connect-ionhetweenthecup and the pad, one

said coupling loosely connecting with each;

other whereby he cup and reltended from the' pad and bearing againstithe 111mm pad cup a 'pad inounted' therein and I for-med witha-yielding nterface and a rigid back plate positioned against its inner 'face, said pad being apertured; a fastener element extending I through said aperture, abutting against the yielding :face of the pad-and" further projecting ,fromfthe inner 'face oflthe paid, a fastenerelcment fixed to the inner face of: the cup and interengaging with the other of said elements for coupling the ad and cup together and-Y further constructed to provide for a rocking movement of the'p'ad relative to the cup, :anda flange'extended' from said back p'late surro unding said a rture and coacting with the inner" face' of t e cup 'to provide a fulcrum common to theou p and pad.

i 7.3111a'key-pa'd for wind musical 'instruments, a'p'ad cup',"a: pad mounted therein and extended therefrom, means -for'ooupling said cup and pad together, said means formed of two sections, one of said sections fixed to' the cup; the other of said sections extending through; the pad and engaging theouter face thereof said sections 'interen-gagin'g-With each other and constructed to provide fortheroek-- v ing of-the pad relati've to' the cup, andmeans pad-an'd h-av ing' its-outer end formed with head seatingag'ainstthe outer'faceofthe pad, me'ans secured tothe inner face of the cup'and extending into saidmeinber for coupling the pad and "cup together and further providing for the rocking of the pad relative to the cup, and means project'ing from the inner face of the pad and engaging the cup for normally spac'ingthe inner face of the pad from'the in nerf face. :of the eup and 'furt-her providing a fulcruancommonto the pad and cup."

f9i 'In a Wind musical instrument ofthe character described," a- -key-'a 1 m, a pad cup V i able key arm, a

7 tiltable key arm, a'pad cu a mounted on said arm, a keypad: arranged within said cup, a boss interposed between said pad and cup, and means for securing said pad to said cup to enable rocking movement of the pad on said boss. I Y j 10. In a wind musical instrument of the character described, the combination of a tiltpad cup mountedupon said arm a key pad arranged within said cup, a rounded boss arranged Centrally of and interposed'between said pad and cup, andjfmeans for securing saidpad tosaid'cup to enable rocking movement of the pad upon said boss;

11., In a wind musical instrument'of the character described, the" combination of a said arm, a key pad arrange within said cup,

mounted upon .a roundedboss carried by and arranged cen- V trallyof and within said pad cup, and means for securing said pad within said cup and upon saidboss to enable rocking movement of 1 the pad upon said boss.

'f 112. In a wind: musical instrument Oran character described, the combination with the instrument, of a key arm piyotally supported by the instrument body, a pad cup mounted a key pad arranged, within upon-j said arm5 said pad cup and spacedrtherefrom, and a flexible connection between said cupand pad to :en'ableuniversal movement of said pad.

In" testimony whereof I have hereunto set my hand. 4

FERDINAND A; BUESGHER. 

